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ASUS ROG Strix RTX 3070 Ti graphics card with triple-fan cooler in silver and black finish

ASUS

ASUS ROG Strix RTX 3070 Ti O8G Gaming graphics card

SKU CH-FEK3-22WXX

NVIDIA GeForce RTX 3070 Ti graphics card with 8 GB GDDR6X memory, 6144 CUDA cores, PCI Express 4.0 interface and boost clocks up to 1875 MHz

  • Graphics processorGeForce RTX 3070 Ti
  • Memory capacity8 GB
  • Interface typePCI Express 4.0
  • CUDA core count6144
  • Highest resolution7680 × 4320
  • Boost frequencyOC mode: 1875 MHz Gaming mode: 1845 MHz
  • 8GB GDDR6X memory at 19000 MHz for high-bandwidth performance
  • Boost clock up to 1875 MHz in OC mode for faster frame rates
  • 6144 CUDA cores accelerate rendering and compute workloads
  • PCI Express 4.0 interface doubles bandwidth over PCIe 3.0
  • Three DisplayPort 1.4a and two HDMI 2.1 outputs drive up to four 8K displays

ASUS ROG Strix RTX 3070 Ti 8GB Overview

The ASUS ROG Strix RTX 3070 Ti O8G Gaming is a graphics card built around the NVIDIA GeForce RTX 30 Series GPU with 6144 CUDA cores. It connects via PCI Express 4.0 and carries 8GB of GDDR6X memory on a 256-bit bus running at 19000 MHz. Boost clocks reach 1875 MHz in OC mode and 1845 MHz in Gaming mode.

Who Should Choose This Card

This model suits builders who want a factory-overclocked RTX 3070 Ti with a 2.9-slot cooler and four-display support over 2×HDMI 2.1 and 3×DisplayPort 1.4a. Users needing more than 8GB VRAM or a single-slot form factor should consider other options. SLI is not supported.

8GB GDDR6X Capacity and Headroom

The 8GB frame buffer handles 1440p gaming and 4K workloads at 7680 x 4320 maximum resolution comfortably. Memory bandwidth from the 256-bit GDDR6X interface provides headroom for high texture settings. Demanding 4K titles with heavy ray tracing may exhaust the 8GB capacity before the GPU reaches its compute limit.

How it compares

Measured against everything we stock in Desktop GPUs & Video Cards, at today’s prices. Recalculated every night.

Price $1,306.99
Pricier than about 90% of the 4,285 comparable items (median $354.99).
Memory capacity 8 GB
Typical for this category: the median of 3,563 items is 8 GB.
Boost frequency OC mode: 1875 MHz Gaming mode: 1845 MHz
Typical for this category: the median of 1,837 items is 1.89 GHz.

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Specifications

Product
Brand nameASUS
Product lineROG Strix
Model nameROG-STRIX-RTX3070TI-O8G-GAMING
Memory
Type of memoryGDDR6X
Display
Highest resolution7680 × 4320
Graphics
Graphics processorGeForce RTX 3070 Ti
Memory capacity8 GB
Boost frequencyOC mode: 1875 MHz Gaming mode: 1845 MHz
CUDA core count6144
Chipset makerNVIDIA
Graphics seriesNVIDIA GeForce RTX 30 Series
Effective memory speed19000 MHz
Memory bus width256-Bit
DirectX support12 Ultimate
OpenGL support4.6
Supported displays4
Multi-GPU supportNo
VR readyYes
Audio & video
HDCP supportHDCP 2.3
Ports & slots
Interface typePCI Express 4.0
HDMI ports2 x HDMI 2.1
DisplayPort connectors3 x DisplayPort 1.4a
Power
Recommended power supply750 W
Power input connector3 × 8-Pin
Size & build
Form factorATX
Max graphics card length319 mm
Card size12.53 in × 5.51 in
Slots occupied2.9 Slot

Questions about this item

What power connectors does the ROG Strix RTX 3070 Ti O8G need from my PSU?

The card draws power through three 8-pin PCIe connectors; your power supply must provide all three and enough spare wattage for the rest of the system.

Will the 2.9-slot thickness block the PCIe x1 slot under my top GPU slot?

At 2.9 slots wide the cooler covers the adjacent expansion slot, so a motherboard with the first x16 slot at the very top edge leaves no room for an x1 card beneath it.

How can I confirm the 1875 MHz OC boost clock is active after driver installation?

Open GPU-Z or the ASUS GPU Tweak III overlay while a 3D load runs; the sensor tab should report a GPU clock at or above 1875 MHz when OC mode is selected.

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